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Finding the Fourth Proportional to 63,558.84, 87,749.82 and 49,384.92

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Solution

The fourth proportional to 63,558.84, 87,749.82 and 49,384.92 is: 68,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,558.84 : 87,749.82 = 49,384.92 : x
  2. Step 2: Convert to fraction form
    63,558.84/87,749.82 = 49,384.92/x
  3. Step 3: Cross multiply
    63,558.84x = 87,749.82 × 49,384.92
  4. Step 4: Simplify right side
    63,558.84x = 4,333,517,840.71
  5. Step 5: Solve for x
    x = 4,333,517,840.71/63,558.84
  6. Step 6: Final answer
    x = 68,181.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.